28002865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:373

約数の個数: 32

約数和(自身を含む): 39075840

約数和(自身を除く): 11072975

約数列:

[1, 5, 11, 19, 55, 95, 127, 209, 211, 635, 1045, 1055, 1397, 2321, 2413, 4009, 6985, 11605, 12065, 20045, 26543, 26797, 44099, 132715, 133985, 220495, 294767, 509143, 1473835, 2545715, 5600573, 28002865]

約数ペア:

[(1, 28002865), (5, 5600573), (11, 2545715), (19, 1473835), (55, 509143), (95, 294767), (127, 220495), (209, 133985), (211, 132715), (635, 44099), (1045, 26797), (1055, 26543), (1397, 20045), (2321, 12065), (2413, 11605), (4009, 6985)]